science Flashcards
energy possessed by a body by virtue of it’s position
potential energy
potential energy influenced by gravity
gravitational potential energy
SI unit of potential energy
joules(j)
possessed by elastic bodies when they are deformed
elastic potential energy
stored in gas when engine starts
chemical potential energy
energy tapped from wall sockets to electric devices
electric potential energy
formula for Gpe
mgh or massgravityheight
formula for epe
1/kx^2
formula for k
f/x
formula of f
f=kx
produced by vibrating matter
sound
space without matter
vacuum
has particles that sound can travel through
medium
6th century-amplitude of a string instrument
pythagoras
50BC-vibrating string strikes air sound is not the movement of the air but rather a vibrating body disturbing it’s surroundings
aristotle
we hear and perceive as sound
vibrations
roman philosopher discovered sound is a wave
anicius manlius severinus boethius
invented the tuning fork
john shore
used for tuning instruments
tuning fork
english mathematician
lord rayleigh
austrian physicist
ernst mach